[INFO] fetching crate arg_combinators 0.6.0...
[INFO] testing arg_combinators-0.6.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate arg_combinators 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate arg_combinators 0.6.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arg_combinators 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arg_combinators 0.6.0
[INFO] tweaked toml for crates.io crate arg_combinators 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aca8efb8412eb16f4171324524b05c99950b31d2c731e44e61d999eccfd44e40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aca8efb8412eb16f4171324524b05c99950b31d2c731e44e61d999eccfd44e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca8efb8412eb16f4171324524b05c99950b31d2c731e44e61d999eccfd44e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca8efb8412eb16f4171324524b05c99950b31d2c731e44e61d999eccfd44e40", kill_on_drop: false }`
[INFO] [stdout] aca8efb8412eb16f4171324524b05c99950b31d2c731e44e61d999eccfd44e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75b36006bfc051364e046b3157a1ff20e1b2bb18c762a031039e0e7459ebb96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a75b36006bfc051364e046b3157a1ff20e1b2bb18c762a031039e0e7459ebb96", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg_combinators v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "a75b36006bfc051364e046b3157a1ff20e1b2bb18c762a031039e0e7459ebb96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75b36006bfc051364e046b3157a1ff20e1b2bb18c762a031039e0e7459ebb96", kill_on_drop: false }`
[INFO] [stdout] a75b36006bfc051364e046b3157a1ff20e1b2bb18c762a031039e0e7459ebb96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e54f4eba881ee8f9f334dc9d68569ee30a3953d6e70e89002e36b2756d35922
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e54f4eba881ee8f9f334dc9d68569ee30a3953d6e70e89002e36b2756d35922", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg_combinators v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "5e54f4eba881ee8f9f334dc9d68569ee30a3953d6e70e89002e36b2756d35922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e54f4eba881ee8f9f334dc9d68569ee30a3953d6e70e89002e36b2756d35922", kill_on_drop: false }`
[INFO] [stdout] 5e54f4eba881ee8f9f334dc9d68569ee30a3953d6e70e89002e36b2756d35922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d749c5b21e5fea3ec8fa988330f6559df43086c1fd11ee4d3e09ed696357a5f
[INFO] running `Command { std: "docker" "start" "-a" "2d749c5b21e5fea3ec8fa988330f6559df43086c1fd11ee4d3e09ed696357a5f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arg_combinators-9ac20580ae5000e8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::args_all_depend ... ok
[INFO] [stdout] test tests::basic_macros ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::deep_recursion ... ok
[INFO] [stdout] test tests::validation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arg_combinators
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d749c5b21e5fea3ec8fa988330f6559df43086c1fd11ee4d3e09ed696357a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d749c5b21e5fea3ec8fa988330f6559df43086c1fd11ee4d3e09ed696357a5f", kill_on_drop: false }`
[INFO] [stdout] 2d749c5b21e5fea3ec8fa988330f6559df43086c1fd11ee4d3e09ed696357a5f